Welcome to the Bay Area Chapter of SID
The Society for Information Display
July Seminar
Yield and Manufacturing Challenges for MicroLED Micro-displays
Dr. Soeren Steudel, MICLEDI Microdisplay BV, CTO & Co-founder
July 10 2025
BA-SID Seminar Details
Date: Wednesday, July 10th 2025
Time: 6:00 pm – 7:30 pm PDT
Presentation Abstract
Why is it so difficult to ramp-up volume manufacturing of microLED microdisplay with decent yield and cost?
Tight pitch integration of compound semiconductor with advanced node CMOS like in microLED displays requires a full wafer level monolithic approach. Dedicated microLED display fabs are hereby an unlikely solution since older generation fabs used for compound semiconductor (e.g. 4”-6”) do not have the capability and precision while Si-CMOS fabs (e.g. 200mm/300mm) require a very large CAPEX that during the slow AR market ramp up would be under-utilized for several years. Process and tool compatibility to existing CMOS foundries is therefore a must.
At pitches below 5um, the CMOS bonding is at the center and cannot be considered as an afterthought of a great LED process. In this presentation we discuss different option for CMOS integration, color generation and how they influence cost effective volume manufacturing.
Finally, we present an update on MICLEDI 300mm foundry integration approach implemented using standard volume manufacturing equipment with a similar integration scheme as is done for 3D-stacked backside illuminated imager (BSI). This includes the realization of wafer level optics for beam-shaping.
Dr. Soeren Steudel, MICLEDI Microdisplay BV, CTO & Co-founder
In-Person Virtual Seminar Location
Date: July 10th, 2025
Time: 6:00 pm to 7:30 pm
DuPont SVTC
965 W. Maude Avenue, Sunnyvale CA, 94085
The webinar will run in parallel with the in-person event.
A recording of the webinar will be made available to SID members on www.sid.org.
Join BASID for a Networking Event
Join BASID for networking after the seminar!
Time: 7:30 pm to 9:00 pm
Location: Giovanni’s New York Pizzeria
1127 Lawrence Expy, Sunnyvale, CA 94089
Dr. Siddharth Buddhiraju
BA-SID Professional Person Spotlight
Dr. Siddharth Buddhiraju
Research Scientist, Reality Labs at Meta
Siddharth has been working on augmented reality displays at Meta for about five years, where his areas of interest include waveguide development, optical simulation, and system design. He completed his PhD in Electrical Engineering at Stanford University with a focus on nanophotonics and computational electromagnetics. Prior to his PhD, he obtained his undergraduate and master’s education at the Indian Institute of Technology Bombay with a focus on microelectronics. Outside of work, his interests include stand-up comedy, hiking, and gardening, and he lives with his wife and two cats in San Mateo, California.